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MRI SCAN [6 records]

Record 1 2015-10-28

English

Subject field(s)
  • Surgery
  • Cancers and Oncology
CONT

The patient undergoing radiofrequency ablation receives local anesthetic for pain control. A thin needle is inserted into the tumor, visualized by CT [computed tomogram] scan or MRI [magnetic resonance imaging], and electrical current is passed through the tip of the needle which becomes very hot and destroys the tumor.

French

Domaine(s)
  • Chirurgie
  • Cancers et oncologie
DEF

Technique de traitement qui utilise un courant électrique alternatif à haute fréquence pour chauffer et détruire les cellules tumorales logées dans du tissu mou.

Spanish

Save record 1

Record 2 2015-06-22

English

Subject field(s)
  • Centesis and Samplings
DEF

A procedure that uses a 3-dimensional scanning machine(ultrasound, CT [computed tomography] scan or MRI [magnetic resonance imaging]) to find the precise location of a tumour and remove a sample for examination under a microscope.

French

Domaine(s)
  • Ponctions et prélèvements
DEF

Intervention qui consiste à utiliser un appareil de radiodiagnostic pouvant effectuer un balayage tridimensionnel (appareil d'échographie, de TDM [tomodensitométrie] ou d'IRM [imagerie par résonance magnétique]) afin de localiser une tumeur avec précision et de prélever un échantillon qui sera examiné au microscope.

Spanish

Save record 2

Record 3 2014-05-13

English

Subject field(s)
  • Bones and Joints
  • Muscles and Tendons
CONT

Medial tibial stress syndrome(MTSS) is one of the most common leg injuries in athletes and soldiers. The incidence of MTSS is reported as being between 4% and 35% in military personnel and athletes. The name given to this condition refers to pain on the posteromedial tibial border during exercise, with pain on palpation of the tibia over a length of at least 5 cm. Histological studies fail to provide evidence that MTSS is caused by periostitis as a result of traction. It is caused by bony resorption that outpaces bone formation of the tibial cortex. Evidence for this overloaded adaptation of the cortex is found in several studies describing MTSS findings on bone scan, magnetic resonance imaging(MRI), high-resolution computed tomography(CT) scan and dual energy x-ray absorptiometry.

French

Domaine(s)
  • Os et articulations
  • Muscles et tendons

Spanish

Save record 3

Record 4 2007-05-07

English

Subject field(s)
  • Magnetic Resonance Imaging
CONT

The FLAIR sequence produces heavily T2-weighted images with cerebrospinal fluid suppression by using the inversion recovery scheme and acquiring the image data after a time delay (called the inversion time), when the longitudinal magnetization of the signal from cerebrospinal fluid is 0.

OBS

The acronym and the terms are often followed by the word "sequence" to make them more transparent.

OBS

dark fluid: term used by the MRI manufacturer Siemens.

PHR

FLAIR image, imaging, MRI, scan, sequence; fluid attenuated inversion recovery image, imaging, magnetic resonance imaging, pulse sequence, sequence; dark fluid contrast, sequence, technique.

Key term(s)
  • fluid-attenuated inversion-recovery
  • fluid-attenuated inversion recovery
  • fluid attenuated inversion-recovery

French

Domaine(s)
  • Imagerie par résonance magnétique
DEF

[...] séquence permettant de supprimer l'image des liquides, basée sur le fait qu'en inversion-récupération (IR) la repousse de l'aimantation de chaque tissu [...] passe par zéro au temps t = 0,69 T1 après l'impulsion de 180° [...]

OBS

Le terme «FLAIR» est souvent précédé du mot «séquence», ce qui permet non seulement de le rendre transparent, mais aussi de lever l'ambiguïté de son genre.

Spanish

Save record 4

Record 5 1995-12-07

English

Subject field(s)
  • Musculoskeletal System
CONT

Both tomography and MRI showed a lesion in the upper end of the left femur. An isotopic bone scan showed marked increased uptake in the left hip extending to the femoral diaphysis.

French

Domaine(s)
  • Appareil locomoteur (Médecine)
CONT

La scintigraphie [osseuse] est également très utile dans les maladies polyostéotiques telles que l'enchondromatose, la dysplasie fibreuse ou l'histiocytose X.

Spanish

Save record 5

Record 6 1993-05-06

English

Subject field(s)
  • Nuclear Medicine

French

Domaine(s)
  • Médecine nucléaire
CONT

IRM en pathologie pelvienne gynécologique - [...] Techniques d'examen [...] Pour les dispositifs intra-utérins (DIU), il a été démontré que les femmes peuvent bénéficier, sans risque, d'un examen IRM (sans échauffement notamment). L'IRM permettrait peut-être même d'en détecter les complications, en particulier la migration. L'aspect IRM dépend évidemment du DIU utilisé.

CONT

Pratique de l'imagerie par résonance magnétique. [...] Les contre-indications sont peu nombreuses : a) les porteurs de stimulateur cardiaque ne peuvent subir un examen par IRM; b) les prothèses métalliques volumineuses (hanche, genou) peuvent subir un échauffement par courant induit; c) les clips métalliques intracrâniens ou abdominaux peuvent se déplacer. On évite donc de soumettre à l'IRM les porteurs de clips de métal magnétisable.

Spanish

Save record 6

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